# PDO_FIREBIRD DSN

(PECL PDO_FIREBIRD >= 0.1.0)

PDO_FIREBIRD DSN — Connecting to Firebird databases

### Beschreibung

The PDO_FIREBIRD Data Source Name (DSN) is composed of the following elements:

DSN prefix

  The DSN prefix is `firebird:`.

`dbname`

  The name of the database.

`charset`

  The character set.

`role`

  The SQL role name.

`dialect`

  The dialect of the database; either `1` or `3`. If not specified, the dialect defaults to `3`. Available as of PHP 7.4.0.

### Beispiele

Beispiel #1 PDO_FIREBIRD DSN example with path

The following example shows a PDO_FIREBIRD DSN for connecting to Firebird databases:

    firebird:dbname=/path/to/DATABASE.FDB

Beispiel #2 PDO_FIREBIRD DSN example with port and path

The following example shows a PDO_FIREBIRD DSN for connecting to a Firebird database using hostname port and path:

    firebird:dbname=hostname/port:/path/to/DATABASE.FDB

Beispiel #3 PDO_FIREBIRD DSN example with localhost and path to employee.fdb on Debian system

The following example shows a PDO_FIREBIRD DSN for connecting to a Firebird database employee.fdb using localhost:

    firebird:dbname=localhost:/var/lib/firebird/2.5/data/employee.fdb

Beispiel #4 PDO_FIREBIRD DSN to connect to a dialect 1 database

The following example shows a PDO_FIREBIRD DSN for connecting to a Firebird database test.fdb which has been created using dialect 1. This is only supported as of PHP 7.4.0.

    firebird:dbname=localhost:/var/lib/firebird/2.5/data/test.fdb;charset=utf-8;dialect=1

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